Re: [linuxsh-dev] RPMs

[Mitch D. <md...@po...>]

Jaswinder Singh wrote:
> 
> Dear Stuart , Stephen and linuxsh-dev group,
> 
> I compiled simple C++ Hello world program as :-
> 
> sh-linux-gnu-g++ -ml -m3 hello.cpp
> 
> but i get :-
> 
> /opt/hardhat/devkit/sh/sh3/lib/gcc-lib/sh-linux-gnu/2.95.2/libstdc++.a(iostream.
> o): In function `istream::get(char &)':
> /home/heywood/users/thomass/testbuild-0.2/BUILD/gcc-2.95.2/libio/iostream.cc:91:
>  undefined reference to `_pthread_cleanup_push_defer'
> /home/heywood/users/thomass/testbuild-0.2/BUILD/gcc-2.95.2/libio/iostream.cc:91:
>  undefined reference to `_pthread_cleanup_pop_restore'

Hi Jaswinder,

I'm not an expert in such things, but it appears that all the
unresolved symbols are of the form, "_pthread_*".  So it looks to me as
if
your program uses pthreads, but is not specifying that the program
should
be linked against the pthread library.

Just as a guess, try adding -lpthread to your compile line.

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Regards,

Mitch.